29992671 has 12 divisors (see below), whose sum is σ = 43494672. Its totient is φ = 19915776.

The previous prime is 29992661. The next prime is 29992679. The reversal of 29992671 is 17629992.

It is not a de Polignac number, because 29992671 - 2¹⁸ = 29730527 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29992679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4171 + ... + 8796.

It is an arithmetic number, because the mean of its divisors is an integer number (3624556).

Almost surely, 2^29992671 is an apocalyptic number.

29992671 is a deficient number, since it is larger than the sum of its proper divisors (13502001).

29992671 is a wasteful number, since it uses less digits than its factorization.

29992671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13230 (or 13227 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 29992671 is about 5476.5564910809. The cubic root of 29992671 is about 310.6979453045.

The spelling of 29992671 in words is "twenty-nine million, nine hundred ninety-two thousand, six hundred seventy-one".